ASX340CS datasheet(2/74 Pages) ONSEMI

2 / 74 page

ASX340CS_DS Rev. F Pub. 6/15 EN

©Semiconductor Components Industries, LLC, 2015.

ASX340CS: 1/4-Inch Color CMOS NTSC/PAL Digital Image Sensor

Applications

Table 2:

Key Parameters (continued)

Parameter

Typical Value

Overlay Support

Utilizes SPI interface to load overlay data from external flash/EEPROM memory with the

following features:

•Available in Analog output and BT656 Digital output

•Overlay Size 360 x 480 pixel rendered into 720 x 480 (NTSC) or 720 x 576 (PAL)

•Up to four (4) overlays may be blended simultaneously

•Selectable readout: Rotating order user-selected

•Dynamic scenes by loading pre-rendered frames from external memory

•Palette of 32 colors out of 64,000

•8 colors per bitmap

•Blend factor dynamically-programmable for smooth transitions

•Fast update rate of up to 30 fps

•Every bitmap object has independent x/y position

•Statistic Engine to calibrate optical alignment

•Number Generator

Windowing

Programmable to any size

Analog gain range

0.5–16x

ADC

10-bit, on-chip

Output interface

Analog composite video out, single-ended or differential; 8-, 10-bit parallel digital output

Output data formats1

Digital: Raw Bayer 8-,10-bit, CCIR656, 565RGB, 555RGB, 444RGB

Data rate

Parallel: 27 MB/s

NTSC: 60 fields/sec

PAL: 50 fields/sec

Control interface

Two-wire I/F for register interface plus high-level command exchange. SPI port to interface to

external memory to load overlay data, register settings, or firmware extensions.

Input clock for PLL

27 MHz

SPI Clock Frequencies

1.6875 – 18 MHz, programmable

Supply voltage

Analog: 2.8V ±5%

Core: 1.8V ±5% (2.8V±5% power supply with off-chip bypass transistor generates a 1.70 -

1.95V

core voltage supply, which is acceptable for performance.)

IO: 2.8V ±5%

Power

consumption

Analog output only

Full resolution at 60 fps: 236 mW

Digital output only

Full resolution at 60 fps: 234 mW

Package

63-BGA, 7.5 mm x 7.5 mm, 0.65 mm pin pitch

Ambient temperature

Operating: -30°C to 70°C

Storage: -50°C to +150°C

Dark Current

< 200e/s at 60°C with a gain of 1

Fixed pattern

noise

Column

< 2%

Row

< 2%

Responsivity

16.5 V/lux-s at 550 nm

Signal to noise ratio (S/N)

46 dB

Pixel dynamic range

74.8 dB

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